Not financially sound. It would be better to keep the dogs out.
A light acid wash should remove the chalk.
HardiFlex Fiber Cement Board is one one of the strongest and most durable cement boards that are used for outdoor advertisement.
Cement!
Cement can be made at any time - if the temperature is going below freezing, however, antifreeze must be used in making it.
It will shrink!
To set untreated timber in cement is asking trouble. Only pressure treated lumber should be used as a foundation support for outdoor decking. Greenwood can also lose its original shape.
I can get an outdoor pond by digging on in my back yard. FIrst, dig a large hole, the shape of your pool and its depth. NExt, fill he hole with cement so it can take the shape of your pool. FInally, add water and you have yourself an outdoor pool.
A person can fill an in-ground pool with cement in order to close it forever. People tend to make this decision when they no longer wish to care for the pool.
Most likely you can remove cement from the S. S. ladder with a mild solution of muriatic acid. Ken
Personally I feel that a cement pool is your best option they are more durable and keep their looks, Fiberglas tends to loose its luster and and become dull looking after a few years.
Just increase the acidity of the water for a couple of weeks. a lot of pool stains are the result of tannin from plants and leaves and acid neutralise's it.
Wooden decks need to be taken care of as far as treatment and staining. A cement patio doesn't require any form of keeping up so it depends on what you're looking for.